Home / 165,795.30-248,627.30-72,235.62

Finding the Fourth Proportional to 165,795.30, 248,627.30 and 72,235.62

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Solution

The fourth proportional to 165,795.30, 248,627.30 and 72,235.62 is: 108,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,795.30 : 248,627.30 = 72,235.62 : x
  2. Step 2: Convert to fraction form
    165,795.30/248,627.30 = 72,235.62/x
  3. Step 3: Cross multiply
    165,795.30x = 248,627.30 × 72,235.62
  4. Step 4: Simplify right side
    165,795.30x = 17,959,747,164.43
  5. Step 5: Solve for x
    x = 17,959,747,164.43/165,795.30
  6. Step 6: Final answer
    x = 108,324.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.